activatelearningonline.instructure.com - dns.ninja

`activatelearningonline.instructure.com`

DNSSEC	⚠️ Not signed
A	18.238.4.7^{🇺🇸 Amazon18.238.4.0/22}
		PTR	`server-18-238-4-7.phl51.r.cloudfront.net`
A	18.238.4.12^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.23^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.94^{🇺🇸 Amazon18.238.4.0/22}

`instructure.com`

	DNSSEC	⚠️ Not signed
	A	151.101.2.132^{🇺🇸 Fastly151.101.0.0/22}
	A	151.101.66.132^{🇺🇸 Fastly151.101.64.0/22}
	NS	`ns-2.awsdns-00.com` ⭐
	NS	`ns-1354.awsdns-41.org`
	NS	`ns-1799.awsdns-32.co.uk`
	NS	`ns-996.awsdns-60.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
	MX	`aspmx2.googlemail.com`⁽²⁰⁾
	MX	`aspmx3.googlemail.com`⁽²⁰⁾
	TXT	`2acd5847c66f4325be05af390213b8c7.instructure.com`
	TXT	`MS=ms20700021`
	TXT	`ZOOM_verify_Up1Opd4-S9ChtRORps16qw`
	TXT	`adobe-idp-site-verification=4287460e7429c97ad75b995bdef6b0d7ff1c9b541946abfaf...`
	TXT	`anthropic-domain-verification-2pz98m=hO4bmZQTC5gutJZcanKeagAWR`
	TXT	`anthropic-domain-verification-4mh4xs=A4vkPXqJIA4VVi9GAbxDEPohr`
	TXT	`anthropic-domain-verification-pz1pr3=sZkvFuBJeSdmEXoj4KJYYQW8Z`
	TXT	`anthropic-domain-verification-vz61c8=kfBobb4vvH2M9xtsZhFajtKHr`
	TXT	`apple-domain-verification=8oZZjgKWADRgkWui`
	TXT	`astro-domain-verification=cmbjhzn9b0c0h01pimts1v2h1`
	TXT	`atlassian-domain-verification=pS8CbCDhL3R1mMujl07LwhltWFcJtks8mrBa7l/1uocODR9...`
	TXT	`bugcrowd-verification=817deedf9414a9ea878ff255c42a9afa`
	TXT	`canva-site-verification=jRPvv0c9AZGTaJIIPIpfAQ`
	TXT	`canva-site-verification=jiASD5n0aNnvUnfIP1w4XA`
	TXT	`docker-verification=7555bc65-ce7a-4ed2-8028-4bf0274d2c5b`
	TXT	`docusign=1ca86ab9-2ddb-4d63-b719-4798811390ca`
	TXT	`drift-domain-verification=608941e9992460f0ccd58daa1decf1808863da188a929106582...`
	TXT	`fastly-domain-delegation-jpv3oeoqr3aouxwkbhpb-00480650-2025-07-31`
	TXT	`figma-domain-verification=848b9254b032bfe488e955a140a8a63cb345186c3c69b7200f7...`
	TXT	`google-site-verification=3SDlSr_fW_6bYm0BDDK4ZXs6I5yKtB4WyXL3GNozx8I`
	TXT	`google-site-verification=Som6bbrVvI5NLh3lTcpNSbp6_0GpFezQQ9xo6CrSHOQ`
	TXT	`google-site-verification=WSlNW84_Zm6mbOaM35pQyLJUt7-OtVXNjzXe9LT-eJI`
	TXT	`google-site-verification=bC89ByaBs616PDmJLrSUG5RS3fyA8agwCtXch9G0GL0`
	TXT	`hcp-domain-verification=24de36f1e2e1ad573ac320a62707e7ec8ac0cce2dccf7985914a8...`
	TXT	`jamf-site-verification=-bAufptjYdQAfzF-s7PBtQ`
	TXT	`m6bll7f2q2d2uidl6cq273dma0`
	TXT	`miro-verification=0ee36f655f5ce0499683c255714fcdbe990af0e0`
	TXT	`mongodb-site-verification=UyyatYgRcdnc3W9g8StgD1OK8wfcIouE`
	TXT	`onetrust-domain-verification=5ef48d8081ac4ab6adce9ed80c92f4e5`
	TXT	`openai-domain-verification=dv-wb5qFISTkDoktTMXLsDMVuZ0`
	TXT	`pendo-domain-verification=2l9wI_SzXdfdzA0ZCZUES4O0FS0`
	TXT	`sprout-social-715adb3f-6166-4bc5-b3d9-b1faf326db31`
	TXT	`v=spf1 include:_spf.google.com include:amazonses.com include:_spf.q4press.com...`
	TXT	`zapier-domain-verification-challenge=fe79b183-171c-432c-bf5d-48b3e73fd0af`
	TXT	`zoho-verification=zb08654551.zmverify.zoho.com`
	SOA	`ns-2.awsdns-00.com`awsdns-hostmaster@amazon.com serial=1

⚠️ On DNS blocklist: tif
WOT: SAFE (87/100)
rank #1459 globally
rank #780 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,921

Subdomains

www.activatelearningonline.instructure.com

DNS History

57 records (4 active, 53 former)

○A108.138.85.102026-05-21 → 2026-07-11 · 26 obs

○ 2026-05-19 11:28:24
● 2026-05-21 09:18:36
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● 2026-07-11 11:27:10
○ 2026-07-11 12:04:52
○ 2026-07-29 11:34:52

○A108.138.85.1162026-05-21 → 2026-07-11 · 26 obs

○A108.138.85.1232026-05-21 → 2026-07-11 · 26 obs

○A108.138.85.22026-05-21 → 2026-07-11 · 26 obs

○A108.139.134.1042026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-16 00:15:24
● 2026-04-16 15:50:54
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○A108.139.134.312026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-16 00:15:24
● 2026-04-16 15:50:54
○ 2026-04-17 00:14:40
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○A108.139.134.692026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-16 00:15:24
● 2026-04-16 15:50:54
○ 2026-04-17 00:14:40
○ 2026-07-29 11:34:52

○A108.139.134.902026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-16 00:15:24
● 2026-04-16 15:50:54
○ 2026-04-17 00:14:40
○ 2026-07-29 11:34:52

○A13.33.131.1042026-07-03 → 2026-07-28 · 30 obs

○ 2026-07-03 00:02:42
● 2026-07-03 10:15:40
○ 2026-07-03 13:49:58
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○ 2026-07-29 11:34:52

○A13.33.131.622026-07-03 → 2026-07-28 · 30 obs

○A13.33.131.662026-07-03 → 2026-07-28 · 30 obs

○A13.33.131.972026-07-03 → 2026-07-28 · 30 obs

○A13.33.235.1192026-07-11 → 2026-07-20 · 42 obs

○ 2026-07-11 03:22:20
● 2026-07-11 09:15:06
○ 2026-07-11 11:27:10
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○A13.33.235.432026-07-11 → 2026-07-20 · 42 obs

○A13.33.235.512026-07-11 → 2026-07-20 · 42 obs

○A13.33.235.612026-07-11 → 2026-07-20 · 42 obs

○A13.35.20.442026-06-02 → 2026-06-02 · 5 obs

○ 2026-06-02 07:11:56
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○A13.35.20.52026-06-02 → 2026-06-02 · 5 obs

○ 2026-06-02 07:11:56
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● 2026-06-02 14:25:38
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○A13.35.20.602026-06-02 → 2026-06-02 · 5 obs

○ 2026-06-02 07:11:56
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○A13.35.20.682026-06-02 → 2026-06-02 · 5 obs

○ 2026-06-02 07:11:56
● 2026-06-02 08:54:30
● 2026-06-02 14:25:38
○ 2026-06-02 19:28:50
○ 2026-07-29 11:34:52

○A18.154.110.1082026-05-19 → 2026-07-02 · 43 obs

○ 2026-05-10 09:00:20
● 2026-05-19 11:28:24
○ 2026-05-21 09:18:36
○ 2026-05-21 12:43:18
● 2026-05-22 08:19:28
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○ 2026-05-29 15:43:02
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○ 2026-05-31 12:05:42
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● 2026-07-01 01:53:18
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○ 2026-07-02 21:19:04
○ 2026-07-29 11:34:52

○A18.154.110.1092026-05-19 → 2026-07-02 · 43 obs

○A18.154.110.702026-05-19 → 2026-07-02 · 43 obs

○A18.154.110.762026-05-19 → 2026-07-02 · 43 obs

○A18.154.132.152026-07-03 → 2026-07-29 · 82 obs

○ 2026-07-02 21:19:04
● 2026-07-03 00:02:42
○ 2026-07-03 10:15:40
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○A18.154.132.52026-07-03 → 2026-07-29 · 82 obs

○A18.154.132.702026-07-03 → 2026-07-29 · 82 obs

○A18.154.132.852026-07-03 → 2026-07-29 · 82 obs

○A18.161.21.402026-04-24 → 2026-05-03 · 12 obs

○ 2026-04-19 08:16:28
● 2026-04-24 21:14:12
○ 2026-04-25 00:06:36
○ 2026-04-29 10:53:50
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○A18.161.21.572026-04-24 → 2026-05-03 · 12 obs

○A18.161.21.742026-04-24 → 2026-05-03 · 12 obs

○A18.161.21.912026-04-24 → 2026-05-03 · 12 obs

●A18.238.4.122026-07-13 → 2026-07-29 · 19 obs

○ 2026-07-13 12:03:12
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●A18.238.4.232026-07-13 → 2026-07-29 · 19 obs

●A18.238.4.72026-07-13 → 2026-07-29 · 19 obs

●A18.238.4.942026-07-13 → 2026-07-29 · 19 obs

○A18.245.175.1252026-07-26 → 2026-07-29 · 24 obs

○ 2026-07-25 17:04:34
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○A18.245.175.1282026-07-26 → 2026-07-29 · 24 obs

○A18.245.175.312026-07-26 → 2026-07-29 · 24 obs

○A18.245.175.432026-07-26 → 2026-07-29 · 24 obs

○A216.137.53.112026-04-17 → 2026-06-30 · 45 obs

○ 2026-04-17 00:14:40
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○A216.137.53.1192026-04-17 → 2026-06-30 · 45 obs

○A216.137.53.482026-04-17 → 2026-06-30 · 45 obs

○A216.137.53.692026-04-17 → 2026-06-30 · 45 obs

○A3.163.10.1092026-04-15 → 2026-07-28 · 148 obs

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○A3.163.10.1282026-04-15 → 2026-07-28 · 148 obs

○A3.163.10.252026-04-15 → 2026-07-28 · 148 obs

○A3.163.10.732026-04-15 → 2026-07-28 · 148 obs

○A54.240.184.1002026-06-21 → 2026-07-28 · 10 obs

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○A54.240.184.242026-06-21 → 2026-07-28 · 10 obs

○A54.240.184.482026-06-21 → 2026-07-28 · 10 obs

○A54.240.184.62026-06-21 → 2026-07-28 · 10 obs

○A99.84.132.1022026-05-21 → 2026-07-29 · 34 obs

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○A99.84.132.172026-05-21 → 2026-07-29 · 34 obs

○A99.84.132.932026-05-21 → 2026-07-29 · 34 obs

○A99.84.132.952026-05-21 → 2026-07-29 · 34 obs

○CNAMEcluster93.instructure.com2026-02-28 → 2026-03-11 · 4 obs

● 2026-02-28 13:59:34
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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
instructure.com	ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org	-

✅ Authoritative Response

Server:205.251.195.228

NS records: ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructure.com (unsigned zone)

⏱️ Timing

Total: 122ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.12, 18.238.4.23...`

Analysis

Hierarchy

activatelearningonline.instructure.com is the parent zone for www.activatelearningonline.instructure.com.

IP Addresses

activatelearningonline.instructure.com has four IP addresses: 18.238.4.7, 18.238.4.12, 18.238.4.23 and 18.238.4.94.

Among the host names that share IP numbers with activatelearningonline.instructure.com are events.businesstoday.com.tw, aribell.co.kr, theebco.com and two others.